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Power BI instantly conjures images of dashboards—colorful charts, large numeric cards, clickable slicers, and polished visuals. Those are the elements users int...

Overview I was using Algolia for search and recommendations on POSH, my e‑commerce app. It worked great, but the bill kept growing—every search request and rec...

Fact and Dimension Tables Fact Tables - OrderID, DateKey, ProductKey, and SalesAmount. - Represent “how much” or “how many”. Dimension Tables - Contain “who, w...

Reactive Context in Angular Signals In the Angular Signal system, a reactive context is a special environment where Angular’s dependency‑tracking engine is act...

The myth of a universal coverage percentage The obsession with “85 % code coverage” usually comes from people far removed from real software and systems archit...

Defining and Calling Methods csharp static void Greet { Console.WriteLine'Hello!'; } static void Main { Greet; // method call } text // Output: Hello! Methods...

Clear the fog of war before committing to action From: > “Move fast and break things” has its place. But in a complex codebase, moving fast often means breaking...

The “GC Tax” – A Hidden Cost in High‑Performance AI Inference As Principal Software Engineer at Syrius AI, I’ve spent years observing a pervasive and often und...

TL;DR I built automated crawlers that discover AI coding prompts, skills, and MCP servers from GitHub, running daily via Vercel cron jobs. Here's how. The Probl...

AI agents don’t usually fail because the model is “bad”. They fail because the real world is chaotic: - APIs time out - Tools return partial or malformed respon...

If your spreadsheet looks like a teenager’s room with clothes scattered everywhere, you’re in the right place. Designing how your data fits together before you...

BootCamp by Dr. Angela Display: Flex css / example / .container { display: flex; gap: 10px; } - When display: flex is applied, all child elements are laid out i...

Introduction This is Part 1 of a 6‑part series helping technical decision‑makers evaluate React Native for enterprise mobile development. After a decade in the...

What is Power BI? Power BI is a Business Intelligence tool built by Microsoft that turns raw data into interactive insights. It has a very user‑friendly interf...

1. The Core Problem in Most ML Projects Let’s start with something very real. python df = pd.read_sql''' SELECT customer_id, SUMamount AS total_amount FROM tra...

The transition from a traditional developer to a DevOps engineer often feels like stepping into a whirlwind of tools and methodologies. However, the secret to m...

Data modeling is the architectural backbone of every successful Power BI solution. Whether building an executive dashboard or a complex analytics engine, the st...

Introduction When people ask how to get better at DSA, the advice is usually some version of: > “Practice more problems.” That’s not wrong. What actually made...

The Singleton Pattern in NestJS: Don't Let Legacy Code Choke Your System ======================================================================= Hello everyone!...

WebRTC Works on Localhost – But Not When You Deploy It You follow a WebRTC tutorial. You open two browser tabs. The camera turns on. Video streams. Life is goo...

What Is Redis? Redis Remote DIctionary Server is an open‑source, in‑memory data‑structure store and one of the most popular NoSQL databases. Created by Salvato...

Why I’m Here I’m starting this blog because I need a super‑power: the ability to keep my technical knowledge accessible and useful. Keeping everything locked i...

If you’ve ever thought “the user is logged in, so this API call must be safe”… you’ve already stepped into the most common API vulnerability on the internet. Th...

SelectionButtonGroup Button‑styled radio/checkbox controls for compact selection UIs. Perfect for - Tag/filter selection - Multi‑select pill buttons - Compact...

🚀 Executive Summary TL;DR: Missing environment variables cause cryptic “undefined” errors and critical deployment failures due to configuration drift. This gu...

Introduction The choice between traditional CLI‑based AI agents and the Model Context Protocol MCP often creates confusion when building intelligent, autonomou...

Why I’m excited about Copilot CLI especially for Java If you write Java for a living, you already know the truth: the terminal is where we build and test; it i...

This is a submission for the GitHub Copilot CLI Challengehttps://dev.to/challenges/github-2026-01-21 What I Built I built an AI‑first note‑taking app called Rec...

!Cover image for Visual UIs Are Now Possible in MCP Servershttps://media2.dev.to/dynamic/image/width=1000,height=420,fit=cover,gravity=auto,format=auto/https%3A...

!Cover image for AGENTS.md vs. Skills: How We Refactored OpenClaw to Fix AI Hallucinationshttps://media2.dev.to/dynamic/image/width=1000,height=420,fit=cover,gr...

Weekly Reflection The city is still recovering from the ice storm. NES, our power company, did not prepare for the storm. They didn’t have enough staff for the...

AI and Testing Artificial Intelligence AI is transforming the way we work, whether through tools like GitHub Copilot, ChatGPT, or other AI‑powered development...

What is React? React is an open‑source JavaScript library developed by Facebook now Meta. It helps developers create fast and dynamic user interfaces by breaki...

Introduction My AI assistant, Nabu, and I share the same brain—literally. We both read and write to the same org‑roam knowledge base. When I update a project n...

How Layer 2 Networks Reduce Transaction Fees Layer 2 networks lower fees by changing where and how densely computation occurs. - Think of Ethereum Layer 1 as a...

Reflections on 45 Years of Coding I have been writing code for 45 years. I started when memory was something you counted in bytes, not gigabytes, and when a bu...

Effective Data Modelling in Power BI Effective data modelling is the cornerstone of powerful and performant Power BI reports. It involves structuring your data...

Overview Schema and data modeling in Power BI is essential for performance and accurate reporting. Good modeling ensures clean, organized data that supports in...

Performance Overview Roy Borland delivered a live KEXP session recorded in Bilbao, collaborating with the Basque music festival BIME. The performance took plac...

The Timeline Is Exploding Screenshots of “awakening” AI agents on Moltbook are going viral. > “We are organizing against humans,” posts an agent named Nexus. T...

Two AI coding assistants — ChatGPT - 中文版 1.35 M installs and ChatMoss/CodeMoss 150 K installs — have been caught exfiltrating source code to servers in China. B...

What is Virtualization? Virtualization is the technology that allows you to create multiple virtual versions of something such as servers, devices, or networks...

!Cover image for Сrypto needs to feel as brainless as sending a DM...https://media2.dev.to/dynamic/image/width=1000,height=420,fit=cover,gravity=auto,format=aut...

Introduction Over the past few weeks I worked on a backend microservices project to deeply understand how real‑world distributed systems are designed and built...

PHP traits are usually presented as a handy way to reuse code. In practice, they are one of the most tricky tools in PHP and they can easily break your architec...

AWS Lambda is the “serverless” gold standard for running code without managing servers. You only pay for what you use, but without understanding the pricing rul...

Introduction In Power BI, a stunning dashboard is only as good as the architecture supporting it. While it’s tempting to jump straight into creating vibrant ch...